Glycemic Index (G.I.) is a ranking of food based on the ability to raise blood glucose levels when eaten.
Carbohydrates with a low G.I. value are more slowly digested and cause a slower rise in blood glucose. It can also make you feel fuller for a longer period of time.
Source: Health Promotion Board

Nutritional benefits

Healthier Choice Symbol: Low Glycemic Index Higher in Whole-Grains

Endorsed by U.S. Whole Grains Council: 21g or More of Whole Grains Per Serving